How To Copy Data From Datatable To Dataset.datatable

Oct 31, 2010

how to copy data from datatable to table in dataset i ry this but its readonly property

ds.datatable1=newdt.copy

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[Code].......

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May 7, 2015

DataSet ds = new DataSet();
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im trying to copying specific record from one datatable to another datatable i used below code

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{
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[Code]....

its taking too long time in cloneing is there any better way to do this task which is Time effecent

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Aspx code:

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[Code] ....

I am calling "Application object" from above aspx page into web service page as below:

[WebMethod(EnableSession = true)]
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[Code] ....

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i have searched quite a bit on this one and can't seem to find exactly what I am looking for.

I think my first problem is this: How would I bring back a DataTable FOR copying? I know I would need:

Dim dt as Datatable

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I want to copy rows from one datatable to another.

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I'm copying one datatable into another like this:

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I have a Gridview and two link button in that GridView , one link button click is to add edit row ( Edit ), one link button click is to select row ( Select ). I have a dropdownlist inside row which selected when i click link button Select in the gridview edit template, as of my business logic i need to show the dropdownlist only when the user clicks Edit button and when the user clicks Select button . That mean when the user clicks Select button then they clicks Edit button on the gridvview i should allow him to edit the dropdownlist (showing the value to the user through a label).

ASPX CODE

[Code].... C#

When I click Select link button , then I click Edit link button . They have errors : Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index" I don't know what error?. How to fix it

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i am using vb.net 2008 i need to know about datagridview ......Is it to possible to add a data through vbcode in datagridview without using any datatable or dataset....

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If I need to fetch one whole column from Table1 in the DB, should I fetch it using datatable or dataset? I can do both ways. I mean ok I should use Datatable. Why is that? What would happen if I use Dataset? ok that's what I wanted to know. So there's memory issue. I mean whatever I use be it Datatable or Dataset, both will be fetching only ONE column frommy table in DB. How is Dateset's gonna use more memory then?

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